POST
/
v2
/
threads
/
{threadId}
/
messages
/
{messageId}

This endpoint allows you to update the metadata of a specific message within a thread. It’s useful for adding or modifying additional information associated with a message without changing its core content.

Headers

X-API-Key
string
required

Your Langtail API Key

Path Parameters

threadId
string
required

The ID of the thread containing the message.

messageId
string
required

The ID of the message to update.

Body

application/json
metadata
object
required

Set of key-value pairs that you can attach to the message. This can be useful for storing additional information about the message in a structured format.

Response

200 - application/json
id
string
required

The unique identifier for the message.

createdAt
string
required

The timestamp when the message was created.

deletedAt
string | null

The timestamp when the message was deleted.

threadId
string
required

The ID of the thread this message belongs to.

content
object[]

Additional messages. These will be appended to the Prompt Template.

metadata
object | null
required

A set of key-value pairs that can be attached to the message.

requestLogId
string | null

The ID of the associated request log, if available.